Home / 74,239,618.60-111,359,427.90-66,429,404.20

Finding the Fourth Proportional to 74,239,618.60, 111,359,427.90 and 66,429,404.20

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Solution

The fourth proportional to 74,239,618.60, 111,359,427.90 and 66,429,404.20 is: 99,644,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239,618.60 : 111,359,427.90 = 66,429,404.20 : x
  2. Step 2: Convert to fraction form
    74,239,618.60/111,359,427.90 = 66,429,404.20/x
  3. Step 3: Cross multiply
    74,239,618.60x = 111,359,427.90 × 66,429,404.20
  4. Step 4: Simplify right side
    74,239,618.60x = 7,397,540,447,449,858
  5. Step 5: Solve for x
    x = 7,397,540,447,449,858/74,239,618.60
  6. Step 6: Final answer
    x = 99,644,106.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.